<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.11"/>
<title>Cheetah Software: SharedMemory.h Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../resize.js"></script>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.js"></script>
<script type="text/javascript">
  $(document).ready(initResizable);
  $(window).load(resizeHeight);
</script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { init_search(); });
</script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">Cheetah Software
   &#160;<span id="projectnumber">1.0</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.11 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="../../index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="../../namespaces.html"><span>Namespaces</span></a></li>
      <li><a href="../../annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="../../files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="../../search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="../../search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="../../files.html"><span>File&#160;List</span></a></li>
      <li><a href="../../globals.html"><span>File&#160;Members</span></a></li>
    </ul>
  </div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('d2/dac/_shared_memory_8h_source.html','../../');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="headertitle">
<div class="title">SharedMemory.h</div>  </div>
</div><!--header-->
<div class="contents">
<a href="../../d2/dac/_shared_memory_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#ifndef PROJECT_SHAREDMEMORY_H</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#define PROJECT_SHAREDMEMORY_H</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;fcntl.h&gt;</span> <span class="comment">/* For O_* constants */</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;semaphore.h&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;sys/mman.h&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;sys/stat.h&gt;</span> <span class="comment">/* For mode constants */</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;unistd.h&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;cassert&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;cstring&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;stdexcept&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../d0/d99/c_types_8h.html">cTypes.h</a>&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="../../d2/dac/_shared_memory_8h.html#a81248e6de8785a7320f0ae3d455c0298">   21</a></span>&#160;<span class="preprocessor">#define DEVELOPMENT_SIMULATOR_SHARED_MEMORY_NAME &quot;development-simulator&quot;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html">   27</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../db/d41/class_shared_memory_semaphore.html">SharedMemorySemaphore</a> {</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#acb002c7dce852e4548ee4b8a32e67b97">   39</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#acb002c7dce852e4548ee4b8a32e67b97">init</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> value) {</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#a7c24bb06e6a2fada9570f34a11afe87e">_init</a>) {</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;      <span class="keywordflow">if</span> (sem_init(&amp;<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>, 1, value)) {</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        printf(<span class="stringliteral">&quot;[ERROR] Failed to initialize shared memory semaphore: %s\n&quot;</span>,</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;               strerror(errno));</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;      } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#a7c24bb06e6a2fada9570f34a11afe87e">_init</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;      }</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    }</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  }</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#afb9099d74c7a7162f90ea7ae7c036b65">   53</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#afb9099d74c7a7162f90ea7ae7c036b65">increment</a>() { sem_post(&amp;<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>); }</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#a92848ad136712dbfd7ce309e1ac472d9">   59</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#a92848ad136712dbfd7ce309e1ac472d9">decrement</a>() { sem_wait(&amp;<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>); }</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#a1320f7671180868cccce16df1894f5d7">   66</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#a1320f7671180868cccce16df1894f5d7">tryDecrement</a>() { <span class="keywordflow">return</span> (sem_trywait(&amp;<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>)) == 0; }</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#ad2eb2442863ed4831fb1cce64d30f177">   72</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#ad2eb2442863ed4831fb1cce64d30f177">decrementTimeout</a>(<a class="code" href="../../d0/d99/c_types_8h.html#a3f7e2bcbb0b4c338f3c4f6c937cd4234">u64</a> seconds, <a class="code" href="../../d0/d99/c_types_8h.html#a3f7e2bcbb0b4c338f3c4f6c937cd4234">u64</a> nanoseconds) {</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <span class="keyword">struct </span>timespec ts;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    clock_gettime(CLOCK_REALTIME, &amp;ts);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    ts.tv_nsec += nanoseconds;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    ts.tv_sec += seconds;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    ts.tv_sec += ts.tv_nsec / 1000000000;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    ts.tv_nsec %= 1000000000;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordflow">return</span> (sem_timedwait(&amp;<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>, &amp;ts) == 0);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;  }</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#a40f2809c80adfa7a7ffc055ec3baad9a">   86</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#a40f2809c80adfa7a7ffc055ec3baad9a">destroy</a>() { sem_destroy(&amp;<a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>); }</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">   89</a></span>&#160;  sem_t <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">_sem</a>;</div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="../../db/d41/class_shared_memory_semaphore.html#a7c24bb06e6a2fada9570f34a11afe87e">   90</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="../../db/d41/class_shared_memory_semaphore.html#a7c24bb06e6a2fada9570f34a11afe87e">_init</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;};</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html">  112</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d1/d8d/class_shared_memory_object.html">SharedMemoryObject</a> {</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  <a class="code" href="../../d1/d8d/class_shared_memory_object.html">SharedMemoryObject</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a6b21aa9ce01bcd55504953446dc2ab2b">  125</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="../../d1/d8d/class_shared_memory_object.html#a6b21aa9ce01bcd55504953446dc2ab2b">createNew</a>(<span class="keyword">const</span> std::string&amp; name, <span class="keywordtype">bool</span> allowOverwrite = <span class="keyword">false</span>) {</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordtype">bool</span> hadToDelete = <span class="keyword">false</span>;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    assert(!_data);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    _name = name;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    _size = <span class="keyword">sizeof</span>(T);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    printf(<span class="stringliteral">&quot;[Shared Memory] open new %s, size %ld bytes\n&quot;</span>, name.c_str(),</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;           _size);</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    _fd = shm_open(name.c_str(), O_RDWR | O_CREAT,</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                   S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP | S_IROTH);</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordflow">if</span> (_fd == -1) {</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject shm_open failed: %s\n&quot;</span>,</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;             strerror(errno));</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    }</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="keyword">struct </span>stat s;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordflow">if</span> (fstat(_fd, &amp;s)) {</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::createNew(%s) stat: %s\n&quot;</span>,</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;             name.c_str(), strerror(errno));</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    }</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keywordflow">if</span> (s.st_size) {</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;      printf(</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;          <span class="stringliteral">&quot;[Shared Memory] SharedMemoryObject::createNew(%s) on something that &quot;</span></div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;          <span class="stringliteral">&quot;wasn&#39;t new (size is %ld bytes)\n&quot;</span>,</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;          _name.c_str(), s.st_size);</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;      hadToDelete = <span class="keyword">true</span>;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;      <span class="keywordflow">if</span> (!allowOverwrite)</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        <span class="keywordflow">throw</span> std::runtime_error(</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            <span class="stringliteral">&quot;Failed to create shared memory - it already exists.&quot;</span>);</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;      printf(<span class="stringliteral">&quot;\tusing existing shared memory!\n&quot;</span>);</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;      <span class="comment">// return false;</span></div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    }</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordflow">if</span> (ftruncate(_fd, _size)) {</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::createNew(%s) ftruncate(%ld): %s\n&quot;</span>,</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;             name.c_str(), _size, strerror(errno));</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    }</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    <span class="keywordtype">void</span>* mem =</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        mmap(<span class="keyword">nullptr</span>, _size, PROT_READ | PROT_WRITE, MAP_SHARED, _fd, 0);</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordflow">if</span> (mem == MAP_FAILED) {</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemory::createNew(%s) mmap fail: %s\n&quot;</span>,</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;      <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    }</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="comment">// there is a chance that the shared memory is not zeroed if we are reusing</span></div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="comment">// old memory. this causes all sorts of weird issues, especially if the</span></div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    <span class="comment">// layout of the object in memory has changed.</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    memset(mem, 0, _size);</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    _data = (T*)mem;</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordflow">return</span> hadToDelete;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  }</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a62656128cd792e54088e8f75315d05bc">  191</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../d1/d8d/class_shared_memory_object.html#a62656128cd792e54088e8f75315d05bc">attach</a>(<span class="keyword">const</span> std::string&amp; name) {</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    assert(!_data);</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    _name = name;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    _size = <span class="keyword">sizeof</span>(T);</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    printf(<span class="stringliteral">&quot;[Shared Memory] open existing %s size %ld bytes\n&quot;</span>, name.c_str(),</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;           _size);</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    _fd = shm_open(name.c_str(), O_RDWR,</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                   S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP | S_IROTH);</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">if</span> (_fd == -1) {</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::attach shm_open(%s) failed: %s\n&quot;</span>,</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    }</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keyword">struct </span>stat s;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="keywordflow">if</span> (fstat(_fd, &amp;s)) {</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::attach(%s) stat: %s\n&quot;</span>, name.c_str(),</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;             strerror(errno));</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    }</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <span class="keywordflow">if</span> ((<span class="keywordtype">size_t</span>)s.st_size != _size) {</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;      printf(</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;          <span class="stringliteral">&quot;[ERROR] SharedMemoryObject::attach(%s) on something that was &quot;</span></div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;          <span class="stringliteral">&quot;incorrectly &quot;</span></div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;          <span class="stringliteral">&quot;sized (size is %ld bytes, should be %ld)\n&quot;</span>,</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;          _name.c_str(), s.st_size, _size);</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    }</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    <span class="keywordtype">void</span>* mem =</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        mmap(<span class="keyword">nullptr</span>, _size, PROT_READ | PROT_WRITE, MAP_SHARED, _fd, 0);</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordflow">if</span> (mem == MAP_FAILED) {</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemory::attach(%s) mmap fail: %s\n&quot;</span>, _name.c_str(),</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;             strerror(errno));</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    }</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    _data = (T*)mem;</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;  }</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;</div><div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a36d86f30045bfd852bd784a2f87fadef">  241</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../d1/d8d/class_shared_memory_object.html#a36d86f30045bfd852bd784a2f87fadef">closeNew</a>() {</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    assert(_data);</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <span class="comment">// first, unmap</span></div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="keywordflow">if</span> (munmap((<span class="keywordtype">void</span>*)_data, _size)) {</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::closeNew (%s) munmap %s\n&quot;</span>,</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    }</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    _data = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="keywordflow">if</span> (shm_unlink(_name.c_str())) {</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::closeNew (%s) shm_unlink %s\n&quot;</span>,</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    }</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    <span class="comment">// close fd</span></div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    <span class="keywordflow">if</span> (close(_fd)) {</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::closeNew (%s) close %s\n&quot;</span>,</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    }</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    _fd = 0;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;  }</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;</div><div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a1678883b8fae1cb2eb9379390f159ee1">  277</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="../../d1/d8d/class_shared_memory_object.html#a1678883b8fae1cb2eb9379390f159ee1">detach</a>() {</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    assert(_data);</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    <span class="comment">// first, unmap</span></div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <span class="keywordflow">if</span> (munmap((<span class="keywordtype">void</span>*)_data, _size)) {</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::detach (%s) munmap %s\n&quot;</span>,</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    }</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    _data = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="comment">// close fd</span></div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    <span class="keywordflow">if</span> (close(_fd)) {</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;      printf(<span class="stringliteral">&quot;[ERROR] SharedMemoryObject::detach (%s) close %s\n&quot;</span>,</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;             _name.c_str(), strerror(errno));</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;      <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">&quot;Failed to create shared memory!&quot;</span>);</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    }</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    _fd = 0;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;  }</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;</div><div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#ac3647a51b19b036e3cf42ac1f2505dff">  303</a></span>&#160;  T* <span class="keyword">get</span>() {</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    assert(_data);</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <span class="keywordflow">return</span> _data;</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;  }</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;</div><div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#ace8efdc83fb4c53173ede2080ae4657a">  311</a></span>&#160;  T&amp; <a class="code" href="../../d1/d8d/class_shared_memory_object.html#ace8efdc83fb4c53173ede2080ae4657a">operator()</a>() {</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    assert(_data);</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordflow">return</span> *_data;</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  }</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a0b202e4aa524a350129ba280d4bccfa7">  317</a></span>&#160;  T* _data = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00318"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#ae7c98fa932ef353d69f12528cd727bbe">  318</a></span>&#160;  std::string <a class="code" href="../../d1/d8d/class_shared_memory_object.html#ae7c98fa932ef353d69f12528cd727bbe">_name</a>;</div><div class="line"><a name="l00319"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a9e22b83c4e29975d23fa681c300aa2f8">  319</a></span>&#160;  <span class="keywordtype">size_t</span> <a class="code" href="../../d1/d8d/class_shared_memory_object.html#a9e22b83c4e29975d23fa681c300aa2f8">_size</a>;</div><div class="line"><a name="l00320"></a><span class="lineno"><a class="line" href="../../d1/d8d/class_shared_memory_object.html#a0112033efeb44be6200595ff574f1f3a">  320</a></span>&#160;  <span class="keywordtype">int</span> <a class="code" href="../../d1/d8d/class_shared_memory_object.html#a0112033efeb44be6200595ff574f1f3a">_fd</a>;</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;};</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="preprocessor">#endif  // PROJECT_SHAREDMEMORY_H</span></div><div class="ttc" id="c_types_8h_html"><div class="ttname"><a href="../../d0/d99/c_types_8h.html">cTypes.h</a></div><div class="ttdoc">Common types that are only valid in C++. </div></div>
<div class="ttc" id="class_shared_memory_semaphore_html"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html">SharedMemorySemaphore</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00027">SharedMemory.h:27</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_a0112033efeb44be6200595ff574f1f3a"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#a0112033efeb44be6200595ff574f1f3a">SharedMemoryObject::_fd</a></div><div class="ttdeci">int _fd</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00320">SharedMemory.h:320</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_ae7c98fa932ef353d69f12528cd727bbe"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#ae7c98fa932ef353d69f12528cd727bbe">SharedMemoryObject::_name</a></div><div class="ttdeci">std::string _name</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00318">SharedMemory.h:318</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_a9e22b83c4e29975d23fa681c300aa2f8"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#a9e22b83c4e29975d23fa681c300aa2f8">SharedMemoryObject::_size</a></div><div class="ttdeci">size_t _size</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00319">SharedMemory.h:319</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_afb9099d74c7a7162f90ea7ae7c036b65"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#afb9099d74c7a7162f90ea7ae7c036b65">SharedMemorySemaphore::increment</a></div><div class="ttdeci">void increment()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00053">SharedMemory.h:53</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_a62656128cd792e54088e8f75315d05bc"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#a62656128cd792e54088e8f75315d05bc">SharedMemoryObject::attach</a></div><div class="ttdeci">void attach(const std::string &amp;name)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00191">SharedMemory.h:191</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_acb002c7dce852e4548ee4b8a32e67b97"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#acb002c7dce852e4548ee4b8a32e67b97">SharedMemorySemaphore::init</a></div><div class="ttdeci">void init(unsigned int value)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00039">SharedMemory.h:39</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_a36d86f30045bfd852bd784a2f87fadef"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#a36d86f30045bfd852bd784a2f87fadef">SharedMemoryObject::closeNew</a></div><div class="ttdeci">void closeNew()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00241">SharedMemory.h:241</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_a40f2809c80adfa7a7ffc055ec3baad9a"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#a40f2809c80adfa7a7ffc055ec3baad9a">SharedMemorySemaphore::destroy</a></div><div class="ttdeci">void destroy()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00086">SharedMemory.h:86</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_a6b21aa9ce01bcd55504953446dc2ab2b"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#a6b21aa9ce01bcd55504953446dc2ab2b">SharedMemoryObject::createNew</a></div><div class="ttdeci">bool createNew(const std::string &amp;name, bool allowOverwrite=false)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00125">SharedMemory.h:125</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_a92848ad136712dbfd7ce309e1ac472d9"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#a92848ad136712dbfd7ce309e1ac472d9">SharedMemorySemaphore::decrement</a></div><div class="ttdeci">void decrement()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00059">SharedMemory.h:59</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_a1678883b8fae1cb2eb9379390f159ee1"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#a1678883b8fae1cb2eb9379390f159ee1">SharedMemoryObject::detach</a></div><div class="ttdeci">void detach()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00277">SharedMemory.h:277</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_abd4a2bf1a865ebb76bd57a8fcbcacdbe"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#abd4a2bf1a865ebb76bd57a8fcbcacdbe">SharedMemorySemaphore::_sem</a></div><div class="ttdeci">sem_t _sem</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00089">SharedMemory.h:89</a></div></div>
<div class="ttc" id="c_types_8h_html_a3f7e2bcbb0b4c338f3c4f6c937cd4234"><div class="ttname"><a href="../../d0/d99/c_types_8h.html#a3f7e2bcbb0b4c338f3c4f6c937cd4234">u64</a></div><div class="ttdeci">uint64_t u64</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d99/c_types_8h_source.html#l00017">cTypes.h:17</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_a7c24bb06e6a2fada9570f34a11afe87e"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#a7c24bb06e6a2fada9570f34a11afe87e">SharedMemorySemaphore::_init</a></div><div class="ttdeci">bool _init</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00090">SharedMemory.h:90</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_a1320f7671180868cccce16df1894f5d7"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#a1320f7671180868cccce16df1894f5d7">SharedMemorySemaphore::tryDecrement</a></div><div class="ttdeci">bool tryDecrement()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00066">SharedMemory.h:66</a></div></div>
<div class="ttc" id="class_shared_memory_semaphore_html_ad2eb2442863ed4831fb1cce64d30f177"><div class="ttname"><a href="../../db/d41/class_shared_memory_semaphore.html#ad2eb2442863ed4831fb1cce64d30f177">SharedMemorySemaphore::decrementTimeout</a></div><div class="ttdeci">bool decrementTimeout(u64 seconds, u64 nanoseconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00072">SharedMemory.h:72</a></div></div>
<div class="ttc" id="class_shared_memory_object_html_ace8efdc83fb4c53173ede2080ae4657a"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html#ace8efdc83fb4c53173ede2080ae4657a">SharedMemoryObject::operator()</a></div><div class="ttdeci">T &amp; operator()()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00311">SharedMemory.h:311</a></div></div>
<div class="ttc" id="class_shared_memory_object_html"><div class="ttname"><a href="../../d1/d8d/class_shared_memory_object.html">SharedMemoryObject</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dac/_shared_memory_8h_source.html#l00112">SharedMemory.h:112</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="../../dir_43e0a1f539e00dcfa1a6bc4d4fee4fc2.html">home</a></li><li class="navelem"><a class="el" href="../../dir_61bfb0b3cdda81b1b0355ba34eb3b1eb.html">dhkim</a></li><li class="navelem"><a class="el" href="../../dir_adee5b101e079090017bb4e91c628ead.html">Public_Repository</a></li><li class="navelem"><a class="el" href="../../dir_7fc07a7b97001e7b1d18e11da761e2de.html">Cheetah-Software</a></li><li class="navelem"><a class="el" href="../../dir_860379c26524a894b3cf97b5b1ba5bdb.html">common</a></li><li class="navelem"><a class="el" href="../../dir_275ce76ae8a9e2090fbb7142d3994a0e.html">include</a></li><li class="navelem"><a class="el" href="../../dir_d631aa3083290dc23dd8bdcd7ad213ec.html">Utilities</a></li><li class="navelem"><a class="el" href="../../d2/dac/_shared_memory_8h.html">SharedMemory.h</a></li>
    <li class="footer">Generated by
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="../../doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
  </ul>
</div>
</body>
</html>
